# The Marimo vs 新オヤジリウム

The clearest difference is ads: 新オヤジリウム at none against The Marimo's shown. 新オヤジリウム also leads on update cadence (every 9 days vs every 3 months) and iOS requirement (9.0 vs 15.6). The Marimo's advantage is review sentiment (79% vs 69%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.4 for The Marimo against 4.5 for 新オヤジリウム. Both are backed by a comparable volume of ratings — 16 and 26 respectively. Written reviews are what separate them: 79% of The Marimo's written reviews are positive against 69% of 新オヤジリウム's.

The Marimo ships an update every 3 months, 新オヤジリウム every 9 days. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | The Marimo | 新オヤジリウム |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (16 ratings)](https://appshunter.io/ios/app/the-marimo/id398361669/reviews) | **[4.5 (26 ratings)](https://appshunter.io/ios/app/id1190024788/reviews)** |
| Number of ratings | 16 | **26** |
| Positive reviews | **78.9% of reviews** | 68.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 18 MB | 128 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kosuke Ogawa](https://appshunter.io/developer/379825481) | [Ryota Kikuchi](https://appshunter.io/developer/871799640) |

## What reviewers say

### The Marimo

[App page](https://appshunter.io/ios/app/the-marimo/id398361669)

Care for a virtual green ball creature that grows over time. Keep its environment clean and provide light to ensure its survival. Customize its appearance and interact with it through various gestures.

**Highlights:** Virtual pet care, Growth simulation, Environment maintenance, Customization options, Interactive controls, Social sharing

**Features:** Vision Pro support

**In-app purchases:** none


### 新オヤジリウム

[App page](https://appshunter.io/ios/app/id1190024788)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is The Marimo free?

The Marimo is free to download, with no in-app purchases.

### Is 新オヤジリウム free?

新オヤジリウム is free to download, with no in-app purchases.

### Which has better reviews, The Marimo or 新オヤジリウム?

新オヤジリウム is rated higher. The Marimo averages 4.4 out of 5 from 16 ratings, while 新オヤジリウム averages 4.5 from 26 ratings.

### Do The Marimo or 新オヤジリウム have ads?

The Marimo shows ads; 新オヤジリウム does not.

### Which is updated more often, The Marimo or 新オヤジリウム?

The Marimo ships an update every 3 months, and 新オヤジリウム every 9 days. Most recently, The Marimo was updated on November 6, 2026 and 新オヤジリウム on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*